#B03D28#B03D28

#B03D28 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.0% C 0.154 H 32.5°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B03D28
RGB	rgb(176, 61, 40)
HSL	hsl(9, 63%, 42%)
HSV	hsv(9, 77%, 69%)
CMYK	cmyk(0%, 65.3%, 77.3%, 31%)
CIE-LAB	lab(42.34, 45.71, 37.54)
CIE-LCH	lch(42.34, 59.15, 39.40°)
OKLab	oklab(52.04% 0.1298 0.0828)
OKLCH	oklch(52.04% 0.154 32.5)
XYZ	xyz(19.9584, 12.7237, 3.4121)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D28 #289BB0

analogous

#B02857 #B03D28 #B08128

triadic

#B03D28 #28B03D #3D28B0

tetradic

#B03D28 #57B028 #289BB0 #8128B0

square

#B03D28 #57B028 #289BB0 #8128B0

split-complementary

#B03D28 #28B081 #2857B0

monochromatic

#4C1A11 #7E2C1D #B03D28 #D45841 #DF8473

Accessibility & contrast

On white

5.93

#B03D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B03D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D28

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D28	#FFFFFF	#000000	##FFFFFF
##B03D28	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5425

Deuteranopia (green-blind)

#7A6D24

Tritanopia (blue-blind)

#C21D39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03d28;
/* rgb */ color: rgb(176, 61, 40);
/* oklch */ color: oklch(52.0% 0.154 32.5);

Tailwind

colors: {
  custom: {
    50: '#d07863',
    500: '#b03d28',
    950: '#000000',
  },
}

SCSS

$custom: #b03d28;
$custom-light: #d07863;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d28",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 9.265,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52038,
    "c": 0.15402,
    "h": 32.5
  },
  "luminance": 0.12721
}

Semantic roles & 50–950 ramp

primary

#B03D28

secondary

#6DB9C6

accent

#CDE642

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B03D28

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →